81Y6663 Technical Specifications
IBM 2.5-inch Hard Drive Power Cable for System x3550 M4
Manufacturer IBM
Manufacturer Part # 81Y6663
Product Type : Hard Drive Power Cable
Form Factor : 2.5 inches
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IBM 2.5-inch Hard Drive Power Cable for System x3550 M4
$94
Manufacturer IBM
Manufacturer Part # 81Y6663
Product Type : Hard Drive Power Cable
Form Factor : 2.5 inches
The Toshiba AL13SE series of 2.5-inch 6 Gb/s SAS interface hard disk drives offer enterprise-class performance in capacities ranging from 900GB to 300GB.
The AL13SE is the first 10,000 RPM class model enterprise drive from Toshiba to achieve 900GB capacity and is also the first of Toshiba’s 10,000 RPM drives to employ a dual- stage head positioning actuator that provides additional performance gains, including a 32% increase in sustained transfer rate.

The Western Digital WD2500BHTZ is a high‑performance 250 GB internal hard disk drive from Western Digital’s legendary VelociRaptor family, engineered for users who need faster access and responsiveness than traditional 7200 RPM drives can provide. Unlike standard desktop HDDs, the VelociRaptor spins at a blistering 10 000 RPM and features a SATA III 6 Gb/s interface, allowing it to deliver sustained data throughput and quicker read/write access that benefits workstations, creative applications and performance‑oriented systems.
Whether installed in a desktop chassis or integrated into a high‑performance storage array, the delivers a notable combination of rotational speed, cache efficiency and sustained throughput that makes it a strong choice for applications where traditional HDDs fall short.

The range of scores (95th – 5th percentile) for the WD Blue 2.5″ 320GB (2009) is 27.9%. This is a relatively narrow range which indicates that the WD Blue 2.5″ 320GB (2009) performs reasonably consistently under varying real world conditions.

The range of scores (95th – 5th percentile) for the Hitachi HTS543225A7A384 250GB is 29.9%. This is a relatively narrow range which indicates that the Hitachi HTS543225A7A384 250GB performs reasonably consistently under varying real world conditions.
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